BMKH MCC User Manual
DC Inverter Free match Series Cassette Type Unit
37
8.2 Routine Maintenance
Only a quali
ed service person is allowed to perform maintenance.
Before accessing to terminal devices, all power supply circuits must be disconnected.
Do not use water or air of 122℉ or higher for cleaning air filters and outside panels.
Notes:
① .
Do not operate the air conditioner with the lter uninstalled, otherwise dust would come into
the unit.
② .
Do not remove the air lter except for cleaning. Unnecessary handling may damage the lter.
③ .
Do not clean the unit with gasolene, benzene, thinner, polishing powder or liquid insecticide,
otherwise it would cause discoloration and deformation of the unit.
④ .
Do not wet the indoor unit in case of electric shock or re hazard.
Increase the frequency of cleaning if the unit is installed in a room where the air is extremely
contaminated.(As a yardstick for yourself, consider cleaning the lter once a half year.)
If dirt becomes impossible to clean, change the air lter.
How to clean the air lter
1. Open the air inlet grille
(1). How to open the panel grille of the
24k cassette type unit
① .
Push the buckle as shown in the
gure.
② .
Release the screws under buckles by
a screwdriver.
③ .
Push the fastener and open the panel
grille.
Remove the screw
Push the fastener
(2). How to open the panel grille of the
12/18k cassette type unit
① .
Remove the screws by a screwdriver
as shown in the picture.
② .
Push those two fasteners and open
the panel grille.
Remove the screw
Push the fastener